import router from './router'
import store from './store'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
//白名单
const whiteList = ['/login']


//路由守卫
router.beforeEach(async(to, from, next) => {
    NProgress.start()
    const token = store.state.user.token
    if (token) {
        if (to.path === '/login') {
            next({ path: '/' })
            NProgress.done()
        }
        else {
            if (store.getters.permission_routes.length ===0){
                store.dispatch('GenerateRoutes').then(accessRoutes => {
                    // 根据roles权限生成可访问的路由表
                    router.addRoutes(accessRoutes) // 动态添加可访问路由表
                    next({ ...to, replace: true }) // hack方法 确保addRoutes已完成
                })
            }else {
                next()
            }
        }
        return next()
    }
    else {
        if (whiteList.indexOf(to.path) !== -1) {
            // 在免登录白名单，直接进入
            next()
        } else {
            next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
            NProgress.done()
        }
    }
})

router.afterEach(() => {
    NProgress.done()
})
